Safe deposit box



FIG. 1 is a front and side perspective view a safe deposit box showing my new design;

FIG. 2 is a front view thereof; and,

FIG. 3 is a top, front and side perspective view thereof.

All surfaces not shown form no part of the claimed design. The areas shown in broken lines show environmental structure only and form no part of the claimed design. 

CLAIM The ornamental design for a safe deposit box, as shown and described. 